The conclusive test for magnetism in a steel bar suspended horizontally at its midpoint is when the bar
-
always settles in the magnetic N-S direction.
- is repelled by a magnet.
- always settles in the magnetic E-W direction
- is attracted by a magnet.
The correct answer is: A
Explanation
The conclusive test for magnetism in a steel bar suspended horizontally at its midpoint is when the bar always settles in the magnetic N-S (North-South) direction.